incubator-cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jake Luciani <jak...@gmail.com>
Subject Re: Efficiency of Cross Data Center Replication...?
Date Wed, 16 Nov 2011 20:40:00 GMT
the former

On Wed, Nov 16, 2011 at 3:33 PM, Brian Fleming <bigbrianfleming@gmail.com>wrote:

>
> Hi All,
>
> I have a question about inter-data centre replication : if you have 2 Data
> Centers, each with a local RF of 2 (i.e. total RF of 4) and write to a node
> in DC1, how efficient is the replication to DC2 - i.e. is that data :
>  - replicated over to a single node in DC2 once and internally replicated
>  or
>  - replicated explicitly to two separate nodes?
>
> Obviously from a LAN resource utilisation perspective, the former would be
> preferable.
>
> Many thanks,
>
> Brian
>
>


-- 
http://twitter.com/tjake

Mime
View raw message